Monitor Scantool data
1.

Connect scantool with diagnostic connector.

2.

Warm up the engine to normal engine temperature after engine starts.

3.

Select and monitor "Evaporator sensor" parameter on scantool.

Fig.1) Parameter of "Evaporator Sensor" will be fixed at -2℃(28.4℉), if there is any fault in Evaporator Sensor.

4.

Is the Evaporator Sensor abnormal ?

▶ Go to "Inspection and Repair" procedure.

▶ This may be a intermittent problem caused by poor contact of component or the Control Unit.

▶ Thoroughly check for looseness, poor connection, bent, corrison, contamination, deformation or damage of connector.

▶ Monitoring with a DVOM on min/max or VMI while wiggling connectors may help find the problem. Any change in voltage indicate a possible problem.

▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

Яндекс.Метрика